Boris Johnson facing questions as quarantine hotel system not expected to be running for another two weeks Minutes from a SAGE meeting on January 21 revealed how it urged the government to close Britain's borders They also warned geographical travel bans would not work in preventing the spread of South African variant News comes as it was revealed that officials will go door to door to test people in eight areas in England Officials will go door to door to test 80,000 people in eight areas of England where mutant strain was found Officials will take swabs in Woking, Walsall, as well as parts of London, Kent, Hertfordshire and Lancashire